发明授权
- 专利标题: Vacuum-type circuit breaker
- 专利标题(中): 真空式断路器
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申请号: US922368申请日: 1978-07-06
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公开(公告)号: US4229631A公开(公告)日: 1980-10-21
- 发明人: Hideo Arakawa , Takashi Namekawa , Keiichi Kuniya , Hiroyuki Sugawara
- 申请人: Hideo Arakawa , Takashi Namekawa , Keiichi Kuniya , Hiroyuki Sugawara
- 申请人地址: JPX
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JPX
- 优先权: JPX49-126782 19741101
- 主分类号: H01H33/66
- IPC分类号: H01H33/66 ; H01H1/02 ; H01H1/025
摘要:
A vacuum-type circuit breaker comprising an evacuated container, and a pair of contacts disposed in the container and adapted to be moved between an open position and a closed position to permit a circuit breaking arc to be generated across the contacts, the contacts being made of a copper alloy containing manganese. The vacuum-type circuit breaker provided with the contacts of the aforementioned type has a higher dielectric strength than conventional vacuum-type circuit breakers.
公开/授权文献
- US5919092A Manipulator for game machine 公开/授权日:1999-07-06